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Cardiovascular benefits of vitamin D
Jinghui Dong1, Chi Wai Lau, Siu Ling Wong
1Institute of Vascular Medicine, Li Ka Shing Institute of Health Sciences, and Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China. yu-huang@cuhk.edu.hk.
Abstract:
Vitamin D is essential for maintaining calcium and phosphate homeostasis, and vitamin D analogues have been prescribed to treat osteoporosis and hyperparathyroidism. Emerging evidence suggests that cardiovascular and chronic kidney diseases are closely associated with vitamin D deficiency resulting from either decreased sunshine exposure or inadequate intake. Vitamin D is through stimulating vitamin D receptor to form a transcriptional complex with cofactors to modulate approximately 3% gene transcription. For example, renin, matrix metalloprotease, and tumor necrosis factor-α are regulated by vitamin D. Both experimental and clinical studies support the health benefits of vitamin D in the cardiovascular system, and such benefits include protecting cardiac function, lowering blood pressure, improving endothelial function, inhibiting oxidative stress, and reducing the activity of renin-angiotensin system. This article will briefly review the cardiovascular benefits of vitamin D and its bioactive analogues and discuss the novel cellular and molecular mechanisms accounting for cardiovascular protection.
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